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I'm thinking my Mac in for repair again and last time I lost data.

Can someone suggest a key logger or watcher so I have a bit of granularity in terms of what the repair guy is doing..

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I'd recommend that you back up your computer before handing it in for repair... –  jaume Mar 1 '13 at 13:24
    
And, move any sensitive data into an encrypted disk image, for privacy. –  gosmond Mar 1 '13 at 15:50
    
Doesn't your repairer make you sign the order first which says that data might be lost? –  Mark Jun 27 '13 at 10:17

2 Answers 2

I would assume the repair technician has total control over your files since he or she controls physical access, can remove the storage and image it, knows how to reset passwords, make secondary admin accounts, etc.

Most technicians have high standards and should explain the procedures they will take to guard your data, but you'll still be extending trust to someone with the training and opportunity to make a copy of your data and/or poke around.

As to observing them, unless you reported a software problem and they are going to fix your software, you won't learn anything by logging the keys pressed.

They will use their computers to do research and likely boot off their software to see if your problem is your settings or your particular copy and version of the OS.

If you install audio or video recording software, you may want to get legal advice since you don't want to break any laws spying on them. Again, check the terms of service - you will likely be granting them permission to erase, modify and inspect your computer when you hand them the hardware.

If your goal is to track what they do, why not ask them to provide you with steps and then check their work by running tmutil compare to see which files changed after service from a backup that happened before service?

I've never found key loggers to be useful and other recording software is buggy and slow IMO.

What I do is delete the drive entirely and give them a test account or use FileVault to encrypt everything you care to "watch" and just not give them the password or key to decrypt the volume if for some reason you din't want unauthorized access.

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Not really as the repay guy might well take the hard disk out and look at it in another machine or boot the Mac off an external hard disk and so your keylogger will not be run. Both of these cases are good practice by the repairer as it cuts down the number of things that he has to look at at one stage.

If you Mac needs repairing assume you will lose all your data. Many places in their contract state that they might have to erase your disk.

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